private void customPanel1_MouseUp(object sender, MouseEventArgs e)
{
if (e.Button == MouseButtons.Left)
{
if (isDrawing && !isEditStatus)
{
switch (selectedType.val)
{
case 0: //直线
case 1: //矩形
case 3: //园
endPoint = new Point(e.X, e.Y);
break;
case 2: //多边形
pointList.Add(new Point(e.X, e.Y));
break;
default:
break;
}
}
if (isEditStatus)
{
if (selectedLine)
{
GraphicHelper.moveLine(ref startPoint, ref endPoint, ref mouseDownPoint, new Point(e.X, e.Y));
}
else if (selectedStartPoint)
{
startPoint = new Point(e.X, e.Y);
}
else if (selectedEndPoint)
{
endPoint = new Point(e.X, e.Y);
}
else if (selectedRect)
{
GraphicHelper.moveRect(ref startPoint, ref endPoint, ref mouseDownPoint, new Point(e.X, e.Y));
}
else if (selectedVertex)
{
GraphicHelper.modifyVertex(ref pointList, ref mouseDownPoint, new Point(e.X, e.Y));
}
else if (selectedPolygon)
{
GraphicHelper.movePolygon(ref pointList, ref mouseDownPoint, new Point(e.X, e.Y));
}
}
}
}
private void customPanel1_MouseDown(object sender, MouseEventArgs e)
{
if (e.Button == MouseButtons.Left)
{
if (isDrawing && !isEditStatus)
{
switch (selectedType.val)
{
case 0: //直线
case 1: //矩形
case 3: //园
startPoint = new Point(e.X, e.Y);
break;
case 2:
pointList.Add(new Point(e.X, e.Y));
break;
default:
break;
}
}
if (isEditStatus)
{
resetOperation();
mouseDownPoint = new Point(e.X, e.Y);
switch (selectedType.val)
{
case 0: //直线
if (GraphicHelper.GetPointIsInLine(mouseDownPoint, startPoint, endPoint, 1))
{
selectedLine = true;
//MessageBox.Show("选中线了");
}
else if (GraphicHelper.IsThisPoint(mouseDownPoint, startPoint, 1))
{
selectedStartPoint = true;
}
else if (GraphicHelper.IsThisPoint(mouseDownPoint, endPoint, 1))
{
selectedEndPoint = true;
}
break;
case 1: //矩形
pointList.Add(startPoint);
pointList.Add(new Point(endPoint.X, startPoint.Y));
pointList.Add(endPoint);
pointList.Add(new Point(startPoint.X, endPoint.Y));
if (GraphicHelper.IsPointInPolygon(mouseDownPoint, pointList.ToArray()))
{
selectedRect = true;
//MessageBox.Show("选中面了");
pointList.Clear();
}
break;
case 3: //园
break;
case 2: //多边形
if (GraphicHelper.IsPointInPolygon(mouseDownPoint, pointList.ToArray()))
{
selectedPolygon = true;
//MessageBox.Show("选中面了");
}
else if (GraphicHelper.IsGraphVertex(ref pointList, mouseDownPoint))
{
selectedVertex = true;
//MessageBox.Show("选中顶点了");
}
break;
default:
break;
}
}
}
}